Chemistry

Chemistry 1

100

2 or more atoms joined together is called a... 

Molecule

200

Write 0.0023 in Scientific notation

2.3x10^-3

300

Elements are a group of substances composed of...

a single kind of atom

400

How many g are in 1200 mg

1.2g

500

A material's ______ will not change depending on how much of the material you have.

density

Chemistry 2

100

If you have a sample in front of you that consists of only one kind of atom, you have an...

element

200

Tap Water is considered a _____ type of mixture

homogenous 

300

Sand in water is considered a ______ type of mixture.

Heterogenous

400

What is the mass number for Carbon-13

13

500

What is volume?

the amount of space that matter occupies

Chemistry 3

100

What is mass?

The amount of matter in an object

200

How many protons are in Mercury?

80

300

The process of going from a solid to a liquid is called

melting

400

How many electrons are in an Nitrogen atom with a charge of -1?

8

500

the process of going from a Gas to a Solid is called 

Deposition

Chemistry 4

100

Convert 4.5 cg to g.

0.045g

200

Fluorine is a/an __________

element

300

The atomic number is the same as the _______.

number of protons

400

Find the Density of a material with a mass of 4.00g and volume of 9.24mL

0.433g/mL

500

Find the volume of a 4.23 g bar of gold with a density 5.34 g/cm^3.

0.456cm³

Chemistry 5

100

Neutrons are found in the ___________

nucleus 

200

Convert 8.23 kg to grams

8230g

300

14cm³ = _________mL

14mL

400

How many neutrons are in an atom of lead?

207-82=125 neutrons

500

Find the number of protons, neutrons, and electrons in an atom of Bismuth-210.

Protons 83

Neutrons 127

Electrons 83